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The Lockheed Corporation designed the P-38 in response to a February 1937 specification from the United States Army Air Corps (USAAC). Circular Proposal X-608 was a set of aircraft performance goals authored by First Lieutenants Benjamin S. Kelsey and Gordon P. Saville for a twin-engined, high-altitude "interceptor" having "the tactical mission of interception and attack of hostile aircraft at ...
The CD V-700 Model 7 is a kit to upgrade and modernize the Lionel Model 6B, Lionel/Anton Model 6, or Electro-Neutronics 6B with electronics derived from a recent version of the Ludlum Model 3 Geiger counter. The kit includes a new main electronics board with rotary switch, a connector for a detachable external probe, a wiring harness and ...
Trainmaster Command (TMCC) is Lionel 's electronic control system for O scale 3-rail model trains and toy trains that mainly ran from 1994 to 2006. Conceptually it is similar to Digital Command Control (DCC), the industry's open standard used by HO scale and other 2-rail DC trains. It has one advantage over DCC, in that TMCC-equipped ...
The 8 m high structure also featured sundials and a water clock inside dates from around 50 BC. [44] Clock tower: 50 BC See Clock tower. [45] Tower of the Winds: Automatic doors: c. 1st century AD Heron of Alexandria, a 1st-century BC inventor from Alexandria, Egypt, created schematics for automatic doors to be used in a temple with the aid of ...
The Tower Treasure is the first volume in the original Hardy Boys series published by Grosset & Dunlap. The book ranks 55th on Publishers Weekly ' s All-Time Bestselling Children's Book List for the United States, with 2,209,774 copies sold as of 2001. [1] This book is one of the "Original 10", generally considered by historians and critics of ...
A water tower is an elevated structure [1] supporting a water tank constructed at a height sufficient to pressurize a distribution system for potable water, and to provide emergency storage for fire protection. [2] Water towers often operate in conjunction with underground or surface service reservoirs, which store treated water close to where ...
The cinnamon quail-thrush has a body length of 20 centimetres (7.9 in) and a mass of up to 50 grams (1.8 oz) when fully grown. Male birds are characterised by a white eyebrow, black face and a broad white streak down the sides of a black throat. The upperparts of their body are plain cinnamon-rufous with buff-white patches on the upper breast ...
The model train company Lionel made several models of the S2. The first ones, 671 and 2020, were released in 1946 and were discontinued in 1949. The 681 turbine's first production run was in 1950 and 1951. It was similar to both of the original turbine models but the 681 has Lionel's Magne-Traction feature which makes the wheels magnetic.